datacatalog.cookcountyil.govFishing lakes in Cook County with contours. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is requiredhttps://datacatalog.cookcountyil.gov/api/views/nbvy-w97vengCook County Open DataPublicRecreationHistorical - ccgisdata - FPDCC fishing lakes in Cook County [Illinois--Cook County]Web servicesIllinois--Cook CountyIllinoisLast Modified: 2026-01-27